diff options
Diffstat (limited to 'src/newgrf_text.cpp')
| -rw-r--r-- | src/newgrf_text.cpp | 60 |
1 files changed, 41 insertions, 19 deletions
diff --git a/src/newgrf_text.cpp b/src/newgrf_text.cpp index b395d8be7..4fdec3f06 100644 --- a/src/newgrf_text.cpp +++ b/src/newgrf_text.cpp @@ -538,21 +538,28 @@ struct TextRefStack { this->stack[this->position + 1] = GB(word, 8, 8); } - void ResetStack() { this->used = true; this->position = 0; } + void ResetStack() { this->position = 0; this->used = true; } + void RewindStack() { this->position = 0; } }; +static TextRefStack _newgrf_normal_textrefstack; +static TextRefStack _newgrf_error_textrefstack; + /** The stack that is used for TTDP compatible string code parsing */ -static TextRefStack _newgrf_textrefstack; +static TextRefStack *_newgrf_textrefstack = &_newgrf_normal_textrefstack; -/** Prepare the TTDP compatible string code parsing */ -void PrepareTextRefStackUsage() +/** + * Prepare the TTDP compatible string code parsing + * @param numEntries number of entries to copy from the registers + */ +void PrepareTextRefStackUsage(byte numEntries) { extern TemporaryStorageArray<uint32, 0x110> _temp_store; - _newgrf_textrefstack.ResetStack(); + _newgrf_textrefstack->ResetStack(); - byte *p = _newgrf_textrefstack.stack; - for (uint i = 0; i < 6; i++) { + byte *p = _newgrf_textrefstack->stack; + for (uint i = 0; i < numEntries; i++) { for (uint j = 0; j < 32; j += 8) { *p = GB(_temp_store.Get(0x100 + i), j, 8); p++; @@ -561,7 +568,22 @@ void PrepareTextRefStackUsage() } /** Stop using the TTDP compatible string code parsing */ -void StopTextRefStackUsage() { _newgrf_textrefstack.used = false; } +void StopTextRefStackUsage() { _newgrf_textrefstack->used = false; } + +void SwitchToNormalRefStack() +{ + _newgrf_textrefstack = &_newgrf_normal_textrefstack; +} + +void SwitchToErrorRefStack() +{ + _newgrf_textrefstack = &_newgrf_error_textrefstack; +} + +void RewindTextRefStack() +{ + _newgrf_textrefstack->RewindStack(); +} /** * FormatString for NewGRF specific "magic" string control codes @@ -571,31 +593,31 @@ void StopTextRefStackUsage() { _newgrf_textrefstack.used = false; } */ uint RemapNewGRFStringControlCode(uint scc, char **buff, const char **str, int64 *argv) { - if (_newgrf_textrefstack.used) { + if (_newgrf_textrefstack->used) { switch (scc) { default: NOT_REACHED(); - case SCC_NEWGRF_PRINT_SIGNED_BYTE: *argv = _newgrf_textrefstack.PopSignedByte(); break; - case SCC_NEWGRF_PRINT_SIGNED_WORD: *argv = _newgrf_textrefstack.PopSignedWord(); break; - case SCC_NEWGRF_PRINT_QWORD_CURRENCY: *argv = _newgrf_textrefstack.PopUnsignedQWord(); break; + case SCC_NEWGRF_PRINT_SIGNED_BYTE: *argv = _newgrf_textrefstack->PopSignedByte(); break; + case SCC_NEWGRF_PRINT_SIGNED_WORD: *argv = _newgrf_textrefstack->PopSignedWord(); break; + case SCC_NEWGRF_PRINT_QWORD_CURRENCY: *argv = _newgrf_textrefstack->PopUnsignedQWord(); break; case SCC_NEWGRF_PRINT_DWORD_CURRENCY: - case SCC_NEWGRF_PRINT_DWORD: *argv = _newgrf_textrefstack.PopSignedDWord(); break; + case SCC_NEWGRF_PRINT_DWORD: *argv = _newgrf_textrefstack->PopSignedDWord(); break; case SCC_NEWGRF_PRINT_WORD_SPEED: case SCC_NEWGRF_PRINT_WORD_LITRES: - case SCC_NEWGRF_PRINT_UNSIGNED_WORD: *argv = _newgrf_textrefstack.PopUnsignedWord(); break; + case SCC_NEWGRF_PRINT_UNSIGNED_WORD: *argv = _newgrf_textrefstack->PopUnsignedWord(); break; case SCC_NEWGRF_PRINT_DATE: - case SCC_NEWGRF_PRINT_MONTH_YEAR: *argv = _newgrf_textrefstack.PopSignedWord() + DAYS_TILL_ORIGINAL_BASE_YEAR; break; + case SCC_NEWGRF_PRINT_MONTH_YEAR: *argv = _newgrf_textrefstack->PopSignedWord() + DAYS_TILL_ORIGINAL_BASE_YEAR; break; - case SCC_NEWGRF_DISCARD_WORD: _newgrf_textrefstack.PopUnsignedWord(); break; + case SCC_NEWGRF_DISCARD_WORD: _newgrf_textrefstack->PopUnsignedWord(); break; - case SCC_NEWGRF_ROTATE_TOP_4_WORDS: _newgrf_textrefstack.RotateTop4Words(); break; - case SCC_NEWGRF_PUSH_WORD: _newgrf_textrefstack.PushWord(Utf8Consume(str)); break; + case SCC_NEWGRF_ROTATE_TOP_4_WORDS: _newgrf_textrefstack->RotateTop4Words(); break; + case SCC_NEWGRF_PUSH_WORD: _newgrf_textrefstack->PushWord(Utf8Consume(str)); break; case SCC_NEWGRF_UNPRINT: *buff -= Utf8Consume(str); break; case SCC_NEWGRF_PRINT_STRING_ID: - *argv = _newgrf_textrefstack.PopUnsignedWord(); + *argv = _newgrf_textrefstack->PopUnsignedWord(); if (*argv == STR_NULL) *argv = STR_EMPTY; break; } |